Oscillatory drive



FIG. 1 is a left side isometric view of an oscillatory drive in accordance with the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for an oscillatory drive, as shown and described. 